Is 198401 a prime number?

198 401 is an odd number, because it is not evenly divisible by 2.

Find out more:

• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 198 401 is about 445.422.

Thus, the square root of 198 401 is not an integer, and therefore 198 401 is not a square number.

The square of a number (here 198 401) is the result of the product of this number (198 401) by itself (i.e., 198 401 × 198 401); the square of 198 401 is sometimes called "raising 198 401 to the power 2", or "198 401 squared".

The square of 198 401 is 39 362 956 801 because 198 401 × 198 401 = 198 401² = 39 362 956 801.

As a consequence, 198 401 is the square root of 39 362 956 801.

198 401 is a number with 6 digits.

The multiples of 198 401 are all integers evenly divisible by 198 401, that is all numbers such that the remainder of the division by 198 401 is zero. There are infinitely many multiples of 198 401. The smallest multiples of 198 401 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 198 401 too, since 0 × 198 401 = 0
• 198 401: indeed, 198 401 is a multiple of itself, since 198 401 is evenly divisible by 198 401 (we have 198 401 / 198 401 = 1, so the remainder of this division is indeed zero)
• 396 802: indeed, 396 802 = 198 401 × 2
• 595 203: indeed, 595 203 = 198 401 × 3
• 793 604: indeed, 793 604 = 198 401 × 4
• 992 005: indeed, 992 005 = 198 401 × 5
• etc.

• Preceding numbers: …198 399, 198 400
• Following numbers: 198 402, 198 403…

Nearest numbers from 198 401

• Preceding prime number: 198 397
• Following prime number: 198 409